At their July 20 Nashville show, another level was added to the performance with the surprise addition of Halestorm vocalist and guitarist, Lzzy Hale. Watch the fan footage of their performance below:

Halestorm is currently gearing up for the release of Vicious, the band’s fourth studio album due this Friday, June 27. Ahead of the release of their upcoming album, they shared a sultry video for “Do Not Disturb.”